Jacquard for looms.



J. WHITEHEAD.

JACQUARD FOR LOOMS.

APPLICATION FILED JAN-11,1913.

1,174,917. Patented Mar. 7,1916.

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Whom/124 THE COLUMBIA PLANOORAPH 310.. WASHINGTON, D. c.

,J'OSEPH WHITEHEAD, OF PATEBISON, NEW JERSEY, ASSIGNOR TO CROMPTON & KNOWLES LOOIVI WORKS, A CORPORATION OF MASSACHUSETTS.

JACQUARD FOR LOOIVIS.

To all whom it may concern:

Be it known that I, JOSEPH VVH'ITEHEAD, a citizen of the United States, residing at Paterson, in the county of Passaic and State of New Jersey, have invented certain new and useful Improvements in Jacquards for Looms, of which the following is a specification.

My invention relates to jacquards for looms, and the object of my invention is to improve upon the construction of a jacquard as ordinarily made.

In j acquards as ordinarily made, there is a top griff or lifter plate, which has a vertical up and down movement, and comprises a series of plates or bars, extending transversely through the jacquard frame, and between different sets or series of upright wires or wire lifter hooks, which act to separate the same and hold them in proper relative position. There is also a stationary bottom griif, comprising a series of bars extending transversely through the jacquard frame, and parallel to the plates or bars of the top griif. The bars of the bottom griff extend between the different sets or series of upright wires or wire lifter hooks, and act to separate the same and hold them in proper relative position.

In my improved construction I provide an additional set of rods or wlres, extending transverselv through the frame. in a direction at right angles to the griif plates or bars, which rods extend between the different sets of upright wires or wire lifter hooks, to hold them in their proper relative position. This supplemental set of wires or rods are preferably connected to the movable top grifl". to have a vertical up and down movement therewith between the upright wires or wire lifter hooks, to guide and hold the same in their proper relative position, and to prevent said lifter hooks from becoming crossed during the operation of the acquard, which crossing is liable to happen, and which interferes with the proper operation of the upright wires, and causes imperfections to be I made in the woven fabric.

My invention consists in certain novel features of construction of my improvements, as will be hereinafter fully described.

I have only shown in the drawing a detached portion of a jacquard of ordinary construction, with my improvements com Specification of Letters Patent.

Patented Mar. 7, 1916.

Application filed. January 11, 1913. Serial No. 741,468.

bined therewith, sufiicient to enable those skilled in the art to understand the construction and operation thereof.

Referring to the drawing :Figure 1 is a vertical cross section of a jacquard, on line 1, 1, Fig. 2, looking in the direction of arrow a, same figure, and Fig. 2 is a side view of the parts shown in Fig. 1, looking in the direction of arrow 6, same figure.

In the accompanying drawing, 1 is the end frame or stand of the jacquard, 2, Fig. 2, is a stand having a hub 2 thereon, which is mounted to slide up or down on a vertical guide rod 3, Fig. 1, which is supported on the frame 1.

Secured to the stand 2 is the movable top grifi", or hook lifter plate 4, which has a vertical up and down motion communicated thereto, through a connector 5, which is pivotally attached at one end to a stud 5, se cured in an arm 2" on the hub 2 of the stand 2, see Fig. 2.

Secured to the side grifl plate 4, only one plate 4 is shown in the drawing, is a series of plates or bars 6, which extend transversely through the jacquard frame, and between the different sets of upright wires or lifter hooks 7, which have the upper hooked end 7, and the lower hooked end 7", as shown in Fig. 1. On the upward movement of the top griff, the plates 6 are adapted to engage the hooks 7 on the upright wires 7 which are not moved out of the path of said plates by the pattern indicating mechanism, to raise said hooks with said plates.

' The supplemental bottom griff plate 8 has a series of transverse bars 8 thereon, which extend transversely through the jacquard frame, and between the different sets or series of upright wires 7 and parallel to the plates 6 of the top griff 4. The hooks 7 on the upright wires 7 are adapted to rest on the bars 8', to hold said wires in their lowered position, as shown in Fig. 1.

All of the above mentioned parts may be of the ordinary and well known construction.

I will now describe my improvements. In addition to the plates or bars of the movable top grif'f and the stationary bottom griff, which extend transversely through the jacquard frame between the different sets or series of upright wires or lifter hooks. as above described, I provide a supplemental in the lower ends are movable with the .top

gand attaeh epl to the-jacquard frame, but in this instance they griff, and are supported on rodsl'O, which extend in this instaneethrough eyes ll on eachend of the wires 11 and are supported or bars 6 of the topgrilf 4, see Fig. 1.

' the upright wires or proper relative position,

moved.

It will be understood that the details of The transverse rods orwires 11 act to keep lifter hooks 7 in their and prevent them or getting out of the indications of or when otherwise "from crossing each other allnement, when moved by the pattern surface,

of hangers orbrackets 9, secured mthls Instance to the outer plates of longitudinal rows of lifters, hooked at their upper free ends, a set of vertically reciprocating griff bars for engagin'gfthe' upper hooked ends of the selected lifters and raising the'sam'eto' form a shed, and separator rods, carried by. and moving-with said rgriflubars, and located closely adjacent vertically thereto, said separator rods being interposed between the longitudinal rows of lifters, and disposed at a right angle to the, griff bars, whereby they serve to prevent en gagement of the upper hooked ends of said lifters, by reason of lateral vibration of the same.

Witnesses:

A. G. OATMTAN, v I EDWARD A. CUNNINGHAM.

JOSEPH WHITEHEAD; I

- Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. O. v 

